Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Householdknockerknock‧er /ˈnɒkə $ ˈnɑːkər/ noun [countable] 1 DHa piece of metal on an outside door of a house that you hit against the door to attract the attention of the people inside → doorknocker2 → knockers ldoceonline.com
